نتایج جستجو برای: cyclo propenone

تعداد نتایج: 4610  

Journal: :Colorants 2023

Photoresponsive molecular devices can be a valuable tool to promote chemical changes in response multiple signals, such as photons and pH, deliver drugs or detect physiological conditions vivo. For example, trans-chalcones (Ct) from 4′-hydroxyflavylium (F1) 7-hydroxyflavylium (F2) undergo cis-trans isomerization by photoreaction into many different structures. The takes place at slow rate pH ch...

Increasing the molecular accumulation and density of high-energy substances have a determinative role in improving the performance and intensity of energy release. Therefore, it is possible to increase the density of high-energy materials if the high-energy molecules can be arranged around a metal core as coordinated molecules. The aim of this project was to synthesize energetic complexes of cy...

2013
Sunayna Pawar Kaalin Gopaul Thrineshan Moodley Bernard Omondi Neil Koorbanally

In the biologically active title compound, C26H26O5, the pyran ring of the chromene unit adopts a half-chair conformation. The C=C double bond of the propenone unit exhibits a trans conformation and the carbonyl group is syn conformation to the double bond. The dihedral angle between the benzene ring and the benzopyran-one moiety is 31.54 (4)°. The mol-ecular structure is stabilized by an intra...

Kameli M Khanehzad M, Noori Mugahi SMH

Background: According to highlighted role of men in family planning, the use of reversible methods of contraception with no adverse effects on androgen-dependent metabolic reactions is very important. Therefore, in order to achieve a conductor combination in the designing contraceptive drugs, in the study, the effect of two drugs: Propylene glycol and Cyclo Hexyl on histological parameters of s...

Journal: : 2023

To solve the problem of delivering pharmacologically promising 3ʹ,5ʹ-cyclic diadenosine monophosphate (cyclo-diAMP) to target cells in humans and animals, complexes above-mentioned dinucleotide with natural polymer – chitosan were originally synthesized by ionotropic gelation technique. It was found that binding degree cyclo-diAMP this biopolymeric carrier reaches 60 %; wherein capacity obtaine...

2013
He-Ping Zhu Peng-Tian Yu Zhe Wang Sheng-Li Yang Zhi-Guo Liu

In the title compound, C17H14F2O3, the dihedral angle between the benzene rings is 20.56 (8)° and the H atoms at the central propenone group are trans configured. One of the F atoms is disordered over two positions (occupancy ratio 0.57:0.43) and was refined using a split model. In the crystal, the molecules are linked into centrosymmetrical dimers and are further connected into a three-dimensi...

2015
C. Balamurugan D. Kamalakkannan

A series of 1-(2-chloro-5-nitrophenyl)-3-phenyl-2-propenones were synthesized from 2-chloro-5-nitroacetophenone with various substituted benzaldehydes by crossed-Aldol condensation. The synthesized compounds have been characterized by their physical constants and spectral data. The antimicrobial activities of synthesized 1, 3-diphenyl-2-propenone compounds have been evaluated by Kirby-Baur disc...

2010
Wan-Sin Loh Hoong-Kun Fun S. Sarveswari V. Vijayakumar B. Palakshi Reddy

In the title compound, C(26)H(20)ClNO(2), the quinoline ring system and the methoxy-phenyl ring form dihedral angles of 69.97 (6) and 22.10 (10)°, respectively, with the propenone linkage. The 4-phenyl ring substituent on the quinoline ring system is oriented at a dihedral angle of 66.47 (3)°. In the crystal, mol-ecules exist as C-H⋯O hydrogen-bonded dimers. The structure is further stabilized ...

2009
Navin N. Bappalige Brinda Y. Narayana V. Upadyaya

In the title compound, C(17)H(15)Cl(2)NO, the dimethyl-amino-phenyl group is close to coplanar with the central propenone group [dihedral angle = 13.1 (1)° between the mean planes], while the dichloro-phenyl group is twisted from the plane [dihedral angle = 64.0 (1)°]. In the crystal, C-H⋯O and weak C-H⋯π inter-actions are formed between mol-ecules.

2016
Yong Kim Eun Jeong Jeong In-Sook Han Lee Mi-Yeon Kim Jae Youl Cho

(E)-3-(3-methoxyphenyl)-1-(2-pyrrolyl)-2-propenone (MPP) is an aldol condensation product resulting from pyrrole-2-carbaldehyde and m- and p- substituted acetophenones. However, its biological activity has not yet been evaluated. Since it has been reported that some propenone-type compounds display anti-inflammatory activity, we investigated whether MPP could negatively modulate inflammatory re...

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